/********************************************************************************************************
 * @file	pm_2.c
 *
 * @brief	This is the source file for BLE SDK
 *
 * @author	BLE GROUP
 * @date	2020.06
 *
 * @par     Copyright (c) 2020, Telink Semiconductor (Shanghai) Co., Ltd. ("TELINK")
 *          All rights reserved.
 *
 *          Redistribution and use in source and binary forms, with or without
 *          modification, are permitted provided that the following conditions are met:
 *
 *              1. Redistributions of source code must retain the above copyright
 *              notice, this list of conditions and the following disclaimer.
 *
 *              2. Unless for usage inside a TELINK integrated circuit, redistributions
 *              in binary form must reproduce the above copyright notice, this list of
 *              conditions and the following disclaimer in the documentation and/or other
 *              materials provided with the distribution.
 *
 *              3. Neither the name of TELINK, nor the names of its contributors may be
 *              used to endorse or promote products derived from this software without
 *              specific prior written permission.
 *
 *              4. This software, with or without modification, must only be used with a
 *              TELINK integrated circuit. All other usages are subject to written permission
 *              from TELINK and different commercial license may apply.
 *
 *              5. Licensee shall be solely responsible for any claim to the extent arising out of or
 *              relating to such deletion(s), modification(s) or alteration(s).
 *
 *          THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
 *          ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
 *          WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
 *          DISCLAIMED. IN NO EVENT SHALL COPYRIGHT HOLDER BE LIABLE FOR ANY
 *          DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
 *          (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
 *          LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
 *          ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 *          (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
 *          SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 *
 *******************************************************************************************************/
#include "bsp.h"

#include "compiler.h"
#include "register.h"
#include "gpio.h"
#include "analog.h"
#include "clock.h"
#include "timer.h"
#include "irq.h"
#include "rf_drv.h"
#include "pm.h"
#include "adc.h"
#include "driver_ext/ext_pm.h"
#include "flash.h"



/**
 * @brief     this function servers to wait bbpll clock lock.
 * @param[in] none
 * @return    none
 */
_attribute_ram_code_ void pm_wait_bbpll_done(void)
{
	unsigned char ana_81 = analog_read(0x81);
	analog_write(0x81, ana_81 | BIT(6));
	for(unsigned char j = 0; j < 3; j++)
	{
		for(volatile unsigned char i = 0; i < 30; i++){//20us
			asm("tnop");
			//if(BIT(5) != analog_read(0x88) & BIT(7)){}
		}
		if(BIT(5) == (analog_read(0x88) & BIT(5)))
		{
			analog_write(0x81, ana_81 & 0xbf);
			break;
		}
		else
		{
			if(j == 0){
				analog_write(0x01, 0x4e);
			}
			else if(j == 1){
				analog_write(0x01, 0x4b);
			}
			else{
				analog_write(0x81, ana_81 & 0xbf);
			}
		}
	}
}
